Finding the Fourth Proportional to 329,069.30, 453,882.84 and 214,136.40
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Solution
The fourth proportional to 329,069.30, 453,882.84 and 214,136.40 is: 295,356.75
Step by Step Solution
- Step 1: Write the proportion equation
329,069.30 : 453,882.84 = 214,136.40 : x - Step 2: Convert to fraction form
329,069.30/453,882.84 = 214,136.40/x - Step 3: Cross multiply
329,069.30x = 453,882.84 × 214,136.40 - Step 4: Simplify right side
329,069.30x = 97,192,837,379.38 - Step 5: Solve for x
x = 97,192,837,379.38/329,069.30 - Step 6: Final answer
x = 295,356.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.